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	<h2><span>JSON</span><span class="path">$.fn.zTree.</span>_z</h2>
	<h3>Overview<span class="h3_info">[ depends on <span class="highlight_green">jquery.ztree.core</span> js ]</span></h3>
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			<p>All of the methods in zTree v3.x are available through the '$. fn.zTree._z' calls, open it for you to develop your own zTree plug-ins.</p>
			<p class="highlight_red">If you have no special requirements, please don't use this object, and don't modify the methods in this object.</p>
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